package/libs/zlib: Add host build

Some packages such as Python/Python3 (host pip/pip3) needs this
to compile.

More detailed explanation provided by Alexandru:

"i need the zlib/host for Python/Python3 ; because, it seems the
host pip/pip3 needs this to work ; i suspect in older versions
this worked, because some of the host's build env would be used
in the build, and then the zlib-dev from the host distro would
be used ; now, the host-build does not seem to have any
-I/usr/include stuff, which is good

and it also seems that Python/Python3 does not like it if the
zlib-dev package is too old, so using this zlib/host would be
good for this as well"

Source:
https://github.com/lede-project/source/pull/1329#issuecomment-351055861

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
master
Daniel Engberg 7 years ago committed by Hauke Mehrtens
parent 0dd439141d
commit cbe71649bc
  1. 2
      package/libs/zlib/Makefile

@ -21,6 +21,7 @@ PKG_CPE_ID:=cpe:/a:gnu:zlib
PKG_CONFIG_DEPENDS:= CONFIG_ZLIB_OPTIMIZE_SPEED PKG_CONFIG_DEPENDS:= CONFIG_ZLIB_OPTIMIZE_SPEED
include $(INCLUDE_DIR)/host-build.mk
include $(INCLUDE_DIR)/package.mk include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk include $(INCLUDE_DIR)/cmake.mk
@ -96,5 +97,6 @@ define Package/zlib-dev/install
$(1)/usr/lib/pkgconfig/ $(1)/usr/lib/pkgconfig/
endef endef
$(eval $(call HostBuild))
$(eval $(call BuildPackage,zlib)) $(eval $(call BuildPackage,zlib))
$(eval $(call BuildPackage,zlib-dev)) $(eval $(call BuildPackage,zlib-dev))

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